/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { GPUImageFilter } from './GPUImageFilter'
import { GPUFilterType } from '../gl/GPUFilterType'

export class GPUImageSwirlFilter extends GPUImageFilter {
    private _radius: number = 25;
    private _angle: number = 0.9;
    private _xCenter: number = 0.5;
    private _yCenter: number = 0.5;

    constructor() {
        super()
    }

    getFilterType(): GPUFilterType {
        return GPUFilterType.SWIRL;
    }

    onInitialized() {

    }

    onReadySize() {
    }

    setRadius(radius: number) {
        this._radius = radius;
        this.setFloat("radius", this._radius);
    }

    setAngle(angle: number) {
        this._angle = angle;
        this.setFloat("angle", this._angle);
    }

    setCenter(x_center: number, y_center: number) {
        this._xCenter = x_center;
        this._yCenter = y_center;
        this.setPoint("center", x_center, y_center);
    }
}